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great thread! i too am a young vw enthusiast, im 17 and have had my 92 jetta gl for almost a year now. bought it for $500 and it was BEAT. i always debated on pulling the 8v and doing my own build but didnt have the motivation until the 8v finally gave up on me. im currently doing the swap to a 2.0 16v and all the body work and respray. i LOVE knowing theres other guys my age that share the passion. keep up the good work!

That sounds like you are going in the right direction! Be sure to post a build thread here on Vortex so I can see how it goes! And thanks!

Originally Posted by Mean 'n Green86

hope your figuring out that digifiz dude!

I finally finished it (minus a faulty coolant temp sensor). I'm planning on posting a Digifiz 16v Plug and Play Install Thread when I organize all the pictures here in this thread. But it was QUITE a challenge!

These are the cluster wires that plug INTO the Digifiz. From left to right:
Black plug goes on the bottom insert in Digifiz
Black 1 wire plug is for Digifiz Front Fog Light Icon Light
White Plug goes on the top insert in Digifiz

From left to right:
Plug X for Extra Warning Lights into fusebox
Random Spade connector that I'm guessing goes to an ABS thingy or the Trailer hitch lights.
Black 2 Wire Plug - The Male part of the Black 2 wire plug from the cluster harnesses (See female end above and connection in posts below)

And then they will plug into this. I have the rare ABS and Trailer Hitch clock adjuster

I started with the Black 5 wire plug coming from harness X (female) and connects to the plug coming from the Digifiz (male)

Next, I recycled a plug from another spare harness I have and put a spade connector at the end, connected it to the Single Black Yellow/White wire for the Front Fog Digifiz Icon and taped into the Yellow/White wire going to the Digifiz switch.

I also had to make a Digifiz Specific Defroster Switch

Then I plugged a Black 2 Wire plug coming from Harness X (male) to a plug coming from the Digifiz (female) to get the clock adjuster working.

I had to make the plug with wires, so I took the pins that were sent to me, put wires in them, and plugged them into the plug.

Alright, now I took out my old speedometer cable:

Then I taped into these wires as follows to get the sensor working correctly.
- Pin 1 is ignition and comes from the wiring G1 / 4
- Pin 2 is signal and goes into the wiring G1/11
- Pin 3 is ground and comes out of the wiring G1 / 5
However because there is no G1/11 in my 16v I realized that that signal goes from the sensor to the Digifiz, so that wire actually connects to the White/Blue wire of the Red 2 wire plug coming from the Digifiz.

And here's the red plug I'm talking about. The yellow wire comes from the speed sensor.

Now with everything wired up correctly, spin the speed sensor with it out of the gear box to simulate speed. If the Digifiz displays speed then you wired it correctly. With me spinning it as fast as I could with my hand, my dad was telling me speeds like 11, 14, and at most 17km/h
[I couldn't take pictures of this as I was spinning the sensor]

Once you are assured the sensor is working correctly put it in the gear box and tighten the allen bolt.

For this to work and display correctly, we must tap into F/9 which is green in color, and run that wire to the remaining connector on the red plug. In this case, that red/white wire is for engine speed.

Still no clue why you tapped into those wires. THe RPM signal should have already been going to the cluster, I don't understand why the Digifiz harness didn't pick it up from U1/6? Also, all later model VWs send the speed signal to G1/11 as you said, then to U1/11. Would have been a lot cleaner to add a wire to that pin rather than just using a spade like that.

Removed two bolts from the rear bracket of the PS pump, lowered it, unbolted the thermostat housing (which btw is metal in my car, so I'm happy about that!), and let the coolant drain to replace the thermostat.

I put the new one in and put everything the way it was. Then proceeded to do the Block & Radiator Fill method of removing the upper rad hose filling the radiator, then putting it back on and filling the block. Then put some coolant in the bottle, ran the car with the cap off and watched air bubbles rise.

Still no clue why you tapped into those wires. THe RPM signal should have already been going to the cluster, I don't understand why the Digifiz harness didn't pick it up from U1/6? Also, all later model VWs send the speed signal to G1/11 as you said, then to U1/11. Would have been a lot cleaner to add a wire to that pin rather than just using a spade like that.

I had a feeling I was spelling it wrong... Lol.

Idk why not, but that is what the red plug was for. And yes you are correct, I could have just added a pin, but I was unsure at the time is that would work correctly so I did it the way that made sense to me.

I haven't posted in this thread in a good while but i lurk @ every post restraining from posting......but i can't take it anymore.... I f*ckin' this build up. Wiring is my thing and its good to see someone that's not afraid of the spaghetti monsters. Great work...great work.

this is awesome. i cant imagine how that felt when you turned the key and it came on! i'm excited for the headlights and grill

Oh it was an amazing feeling! Disbelief that I had actually done it. Haha. And yep, the passat lights are pretty much done, I need to do some final sanding and painting then it'll be good to go.

Originally Posted by 08-Jetta

I love everything about this thread. Awesome writeup on the digifiz. Your attention to detail is inspiring to me.

Thanks! And I try

Originally Posted by NTUNED

Originally Posted by Dutchsider

This is my favorite thread to check up on in Vortex. Keep up the good work. I'll likely be copying your methods of sound deadening the interior. I've got a POR-15 waiting for me to get to work.

Thanks so much! And no worries, I have yet to drive the car on the road, but when I do I'll tell you if it really sound deadended.

Originally Posted by Numbersix

Nice work on the Digifiz. Although I'd be annoyed only having KM/H in a US-spec car, I see why people appreciate the rarity.

I'm pretty sure the movie quote is from Up in the Air.

I actually kind of like it. It means that now I have to keep my mind working to convert between KM/H and MPH. And plus, for the people who think it's still in MPH I can trick them into thinking we're going 100MPH when it's actually in KM/H

And you sir are awesome. I forever you!!!!!!!!

Originally Posted by black gti

^ the prisoner

the picture of the digifiz all lit up made my heart skip a beat, your dad is a great to help out!

Oh it made my heart drop too! I wasn't sure if it was going to turn on, or short, or what have you, but I'm glad everything came out okay. And yep, I owe a lot to him concerning this car and amongst other things

Originally Posted by Capt.Dreadz

I haven't posted in this thread in a good while but i lurk @ every post restraining from posting......but i can't take it anymore.... I f*ckin' this build up. Wiring is my thing and its good to see someone that's not afraid of the spaghetti monsters. Great work...great work.

Haha well I'm glad you couldn't restrain yourself this time, because this post is probably one of my favorites!

Thanks for the kind words, I really appreicate it, especially coming from you. And yeah the wiring can be scary at times, but 9 times outa 10 I have to think about it if it were outside of the car, and draw myself a literal picture to see what I need to do. So far it's worked out okay

Then I finished up the interior. The only things still missing are the CE2 drivers tray, which I am putting back on after I drive the car to make sure that the wiring is correct, and the power window custom piece which I am planning on making look much better.

Then I got the rear license plate in. I dumped the LED idea as it was not bright enough and wasn't working out. So I found a spare domelight bulb and popped it in with a modified trunk light bulb holder. I think it came out okay. Pretty ghetto looking from the inside, but not so bad on the outside. And all I care is that it does it's job.